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Message-ID: <20211002020257.34a0e882@oasis.local.home>
Date: Sat, 2 Oct 2021 02:02:57 -0400
From: Steven Rostedt <rostedt@...dmis.org>
To: Daniele Ceraolo Spurio <daniele.ceraolospurio@...el.com>,
Matt Roper <matthew.d.roper@...el.com>,
Lucas De Marchi <lucas.demarchi@...el.com>,
Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
Caz Yokoyama <caz.yokoyama@...el.com>
Cc: LKML <linux-kernel@...r.kernel.org>,
Linus Torvalds <torvalds@...ux-foundation.org>,
intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org
Subject: [BUG 5.15-rc3] kernel BUG at
drivers/gpu/drm/i915/i915_sw_fence.c:245!
When I tried to test patches applied to v5.15-rc3, I hit this bug (and
hence can not test my code), on 32 bit x86.
------------[ cut here ]------------
kernel BUG at drivers/gpu/drm/i915/i915_sw_fence.c:245!
invalid opcode: 0000 [#1] SMP PTI
CPU: 3 PID: 1 Comm: swapper/0 Not tainted 5.14.0-rc1-test+ #456
Hardware name: MSI MS-7823/CSM-H87M-G43 (MS-7823), BIOS V1.6 02/22/2014
EIP: __i915_sw_fence_init+0x15/0x38
Code: 2b 3d 58 98 88 c1 74 05 e8 60 d9 58 00 8d 65 f4 5b 5e 5f 5d c3 3e
8d 74 26 00 55 89 e5 56 89 d6 53 85 d2 74 05 f6 c2 03 74 02 <0f> 0b 89
ca 8b 4d 08 89 c3 e8 48 94 ab ff 89 73 34 c7 43 38 01 00
EAX: c2508260 EBX: c2508000 ECX: c143de1e EDX: c09dfadd
ESI: c09dfadd EDI: c45e7200 EBP: c26c9c68 ESP: c26c9c60
DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00010202
CR0: 80050033 CR2: 00000000 CR3: 019e2000 CR4: 001506f0
Call Trace:
intel_context_init+0x112/0x145
intel_context_create+0x29/0x37
intel_ring_submission_setup+0x3cb/0x5a8
? kfree+0x135/0x1c6
? wa_init_finish+0x32/0x59
? wa_init_finish+0x4f/0x59
? intel_engine_init_ctx_wa+0x39a/0x3b3
intel_engines_init+0x2dd/0x4d0
? gen6_bsd_submit_request+0x97/0x97
intel_gt_init+0x122/0x20d
i915_gem_init+0x80/0xef
i915_driver_probe+0x880/0xa90
? i915_pci_remove+0x27/0x27
i915_pci_probe+0xdd/0xf6
? __pm_runtime_resume+0x63/0x6b
? i915_pci_remove+0x27/0x27
pci_device_probe+0xbc/0x11e
really_probe+0x13e/0x328
__driver_probe_device+0x140/0x176
driver_probe_device+0x1f/0x71
__driver_attach+0xf6/0x109
? __device_attach_driver+0xbd/0xbd
bus_for_each_dev+0x5b/0x88
driver_attach+0x19/0x1b
? __device_attach_driver+0xbd/0xbd
bus_add_driver+0xf2/0x199
driver_register+0x8c/0xbe
__pci_register_driver+0x5b/0x60
i915_register_pci_driver+0x19/0x1b
i915_init+0x15/0x67
? radeon_module_init+0x6a/0x6a
do_one_initcall+0xce/0x21c
? rcu_read_lock_sched_held+0x35/0x6d
? trace_initcall_level+0x5f/0x99
kernel_init_freeable+0x1fb/0x247
? rest_init+0x129/0x129
kernel_init+0x17/0xfd
ret_from_fork+0x1c/0x28
Modules linked in:
---[ end trace 791dc89810d853da ]---
EIP: __i915_sw_fence_init+0x15/0x38
Code: 2b 3d 58 98 88 c1 74 05 e8 60 d9 58 00 8d 65 f4 5b 5e 5f 5d c3 3e
8d 74 26 00 55 89 e5 56 89 d6 53 85 d2 74 05 f6 c2 03 74 02 <0f> 0b 89
ca 8b 4d 08 89 c3 e8 48 94 ab ff 89 73 34 c7 43 38 01 00
EAX: c2508260 EBX: c2508000 ECX: c143de1e EDX: c09dfadd
ESI: c09dfadd EDI: c45e7200 EBP: c26c9c68 ESP: c26c9c60
DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00010202
CR0: 80050033 CR2: 00000000 CR3: 019e2000 CR4: 001506f0
Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
Kernel Offset: disabled
---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b ]---
Attached is the dmesg and the config.
I bisected it down to this commit:
3ffe82d701a4 ("drm/i915/xehp: handle new steering options")
-- Steve
Download attachment "mitest-config.gz" of type "application/gzip" (36679 bytes)
Download attachment "mitest-dmesg.gz" of type "application/gzip" (10874 bytes)
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